Blame sysdeps/sparc/sparc64/qp_sqrt.c

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/* Software floating-point emulation.
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   (*c) = sqrtl(*a)
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   Copyright (C) 1997-2018 Free Software Foundation, Inc.
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   This file is part of the GNU C Library.
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   Contributed by Richard Henderson (rth@cygnus.com) and
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		  Jakub Jelinek (jj@ultra.linux.cz).
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   The GNU C Library is free software; you can redistribute it and/or
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   modify it under the terms of the GNU Lesser General Public
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   License as published by the Free Software Foundation; either
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   version 2.1 of the License, or (at your option) any later version.
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   The GNU C Library is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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   Lesser General Public License for more details.
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   You should have received a copy of the GNU Lesser General Public
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   License along with the GNU C Library; if not, see
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   <http://www.gnu.org/licenses/>.  */
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#include "soft-fp.h"
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#include "quad.h"
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void _Qp_sqrt(long double *c, const long double *a)
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{
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  FP_DECL_EX;
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  FP_DECL_Q(A); FP_DECL_Q(C);
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  FP_INIT_ROUNDMODE;
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  FP_UNPACK_QP(A, a);
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  FP_SQRT_Q(C, A);
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  FP_PACK_QP(c, C);
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  QP_HANDLE_EXCEPTIONS(__asm (
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"	ldd [%1], %%f52\n"
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"	ldd [%1+8], %%f54\n"
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"	fsqrtq %%f52, %%f60\n"
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"	std %%f60, [%0]\n"
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"	std %%f62, [%0+8]\n"
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"	" : : "r" (c), "r" (a) : QP_CLOBBER));
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}